The Drake Equation: Estimating the Prevalence of Extraterrestrial Life through the Ages
In this compelling book, leading scientists and historians explore the Drake Equation, which guides modern astrobiology's search for life beyond Earth. First used in 1961 as the organising framework for a conference in Green Bank, West Virginia, it uses seven factors to estimate the number of extraterrestrial civilisations in our galaxy. Using the equation primarily as a heuristic device, this engaging text examines the astronomical, biological, and cultural factors that determine the abundance or rarity of life beyond Earth and provides a thematic history of the search for extraterrestrial life. Logically structured to analyse each of the factors in turn, and offering commentary and critique of the equation as a whole, contemporary astrobiological research is placed in a historical context. Each factor is explored over two chapters, discussing the pre-conference thinking and a modern analysis, to enable postgraduates and researchers to better assess the assumptions that guide their research.
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Rate of formation of stars suitable for the development
Fraction of stars with planetary systems fp pre1961
Fraction of stars with planetary systems fp 1961 to the present
Number of planets per solar system with an environment suitable
Fraction of suitable planets on which life actually appears fl pre1961
Overige edities - Alles weergeven
Astrobiology Astronomical Society Astrophysical Journal atmosphere billion years ago biological brain Cambridge University Press carbon chapter chemical civilizations cognitive complex concept Copernican principle cosmic Crowe culture detection developed Dick discovery discussed dolphins Dowd Drake Equation early Earth Earth-like environment estimate evolution evolutionary example exist existential risks exoplanets extrasolar planets extraterrestrial intelligence Extraterrestrial Life Debate factors Flammarion fraction Frank Drake galactic galaxy giant Green Bank habitable zone human Huygens idea inhabited interplanetary Interstellar Communication Jupiter Kepler liquid water luminosity main sequence Mars Martian mass Matthew Dowd Milky molecular clouds molecules Moon nature nineteenth century observations Observatory orbiting organisms origin philosopher physical planetary habitability planetary systems Plurality of Worlds possible prebiotic chemistry present probability Project Ozma radio rate of star Sagan Science scientific scientists SETI signals solar system space species star formation stellar Struve surface telescopes temperature terrestrial Tesla theory Vakoch Whewell